/* ===== Two Star CRM Custom Styles ===== */
:root {
  --primary: #3b82f6;
  --accent: #8b5cf6;
  --color-received: #ef4444;   /* RED */
  --color-pending:  #3b82f6;   /* BLUE */
  --color-running:  #10b981;   /* GREEN */
  --sidebar-bg: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  margin: 0;
  background: #f8fafc;
  color: #0f172a;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Boot loader */
.boot-loader {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  z-index: 999;
}
.boot-spinner {
  width: 50px; height: 50px;
  border: 4px solid rgba(255,255,255,0.25);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}
.boot-text { font-weight: 500; letter-spacing: 0.5px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Sidebar ===== */
.sidebar {
  width: 270px;
  background: var(--sidebar-bg);
  color: white;
  height: 100vh;
  overflow-y: auto;
  position: fixed;
  left: 0; top: 0;
  box-shadow: 4px 0 20px rgba(0,0,0,0.08);
  z-index: 30;
  display: flex;
  flex-direction: column;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.18); border-radius: 3px; }

.sidebar-brand {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; gap: 0.75rem;
}
.sidebar-brand .logo-circle {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700;
  font-size: 18px;
  overflow: hidden;
  flex-shrink: 0;
}
.sidebar-brand .logo-circle img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-brand .brand-text {
  flex: 1;
  min-width: 0;
}
.sidebar-brand h1 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-brand p {
  font-size: 0.7rem;
  color: #94a3b8;
  margin: 2px 0 0 0;
}

/* Nav items */
.nav-section {
  padding: 0.5rem 0.75rem;
}
.nav-section-title {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: #64748b;
  padding: 0.5rem 0.75rem 0.25rem;
  text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: center;
}

.nav-btn {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  color: #cbd5e1;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-weight: 500;
  font-size: 0.9rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  margin-bottom: 2px;
}
.nav-btn:hover { background: rgba(255,255,255,0.06); color: white; }
.nav-btn.active {
  background: rgba(59,130,246,0.18);
  color: white;
  border-left: 3px solid var(--primary);
  padding-left: calc(0.85rem - 3px);
}
.nav-btn i { width: 18px; text-align: center; opacity: 0.85; }

.folder-item {
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 8px;
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
}
.folder-item:hover { background: rgba(255,255,255,0.06); }
.folder-item.active { background: rgba(59,130,246,0.22); border-left: 3px solid var(--primary); padding-left: calc(0.85rem - 3px); }

.client-item {
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 6px;
  padding: 0.4rem 0.75rem 0.4rem 2.25rem;
  font-size: 0.85rem;
  color: #cbd5e1;
}
.client-item:hover { background: rgba(255,255,255,0.05); color: white; }
.client-item.active { background: rgba(59,130,246,0.3); color: white; }

/* Main content */
.main-content {
  margin-left: 270px;
  min-height: 100vh;
  padding: 0;
}
.page-header {
  background: white;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
  display: flex; align-items: center; gap: 0.65rem;
}
.page-subtitle { font-size: 0.85rem; color: #64748b; margin-top: 2px; }

/* Ledger table */
.ledger-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
}
.ledger-table th {
  background: #f1f5f9;
  padding: 10px 8px;
  text-align: left;
  font-weight: 600;
  color: #334155;
  border-bottom: 2px solid #cbd5e1;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky; top: 0;
  z-index: 5;
}
.ledger-table th .col-rename {
  margin-left: 4px;
  cursor: pointer;
  color: #94a3b8;
  font-size: 11px;
  opacity: 0.6;
}
.ledger-table th:hover .col-rename { opacity: 1; }
.ledger-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 13px;
  vertical-align: middle;
}
.ledger-table tr:hover td { background: #f8fafc; }
.ledger-table input, .ledger-table select {
  width: 100%;
  border: 1px solid transparent;
  padding: 5px 7px;
  border-radius: 4px;
  background: transparent;
  font-size: 13px;
  font-family: inherit;
  color: inherit;
}
.ledger-table input:focus, .ledger-table select:focus {
  border-color: var(--primary);
  background: white;
  outline: none;
  box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}

/* Color helpers for amounts */
.amount-received { color: var(--color-received) !important; font-weight: 600; }
.amount-pending  { color: var(--color-pending)  !important; font-weight: 600; }
.amount-running  { color: var(--color-running)  !important; font-weight: 700; }

/* Status badges */
.status-badge {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}
.status-pending   { background: #fef3c7; color: #92400e; }
.status-received  { background: #d1fae5; color: #065f46; }
.status-partial   { background: #dbeafe; color: #1e40af; }
.status-overdue   { background: #fee2e2; color: #991b1b; }
.status-cancelled { background: #e5e7eb; color: #374151; }
.status-paid      { background: #d1fae5; color: #065f46; }
.status-unpaid    { background: #fee2e2; color: #991b1b; }

/* Cards */
.stat-card {
  background: white;
  padding: 1.25rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid #f1f5f9;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.balance-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1.5rem;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(102,126,234,0.3);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.6);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease-out;
  padding: 1rem;
}
.modal-box {
  background: white;
  border-radius: 14px;
  padding: 1.75rem;
  width: 100%;
  max-width: 540px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: slideUp 0.18s ease-out;
}
.modal-box.modal-lg { max-width: 900px; }
.modal-box.modal-xl { max-width: 1100px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-family: inherit;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #2563eb; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; }
.btn-danger { background: #ef4444; color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: #10b981; color: white; }
.btn-success:hover { background: #059669; }
.btn-outline { background: white; color: #374151; border: 1px solid #d1d5db; }
.btn-outline:hover { background: #f9fafb; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

.input-field {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 0.875rem;
  outline: none;
  transition: all 0.15s;
  font-family: inherit;
  background: white;
}
.input-field:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

/* Login */
.login-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.login-box {
  background: white;
  padding: 2.5rem;
  border-radius: 18px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* Toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  z-index: 100;
  animation: slideInRight 0.2s ease-out;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  font-size: 0.875rem;
}
.toast-success { background: #10b981; }
.toast-error   { background: #ef4444; }
.toast-info    { background: #3b82f6; }
@keyframes slideInRight { from { transform: translateX(110%); } to { transform: translateX(0); } }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: white;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  border-radius: 8px;
  z-index: 20;
  overflow: hidden;
}
.dropdown-content a {
  display: block;
  padding: 10px 16px;
  color: #374151;
  text-decoration: none;
  font-size: 0.85rem;
  cursor: pointer;
}
.dropdown-content a:hover { background: #f3f4f6; }
.dropdown.open .dropdown-content { display: block; }

/* ===== Bill / Invoice ===== */
.bill-table {
  width: 100%;
  border-collapse: collapse;
}
.bill-table th, .bill-table td {
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  font-size: 0.9rem;
}
.bill-table th {
  background: #f1f5f9;
  font-weight: 600;
  text-align: left;
}
.bill-table input, .bill-table select {
  width: 100%;
  border: 1px solid transparent;
  padding: 5px 7px;
  border-radius: 4px;
  background: transparent;
  font-size: 0.875rem;
  font-family: inherit;
}
.bill-table input:focus, .bill-table select:focus {
  border-color: var(--primary);
  background: white;
  outline: none;
  box-shadow: 0 0 0 2px rgba(59,130,246,0.12);
}

/* Invoice for printing */
.invoice-page {
  background: white;
  padding: 30px;
  max-width: 850px;
  margin: 0 auto;
  font-family: 'Inter', sans-serif;
  color: #0f172a;
}
.invoice-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  border-bottom: 3px double #0f172a;
  padding-bottom: 18px;
  margin-bottom: 18px;
}
.invoice-header .company-block h1 {
  font-size: 1.75rem; font-weight: 800; margin: 0; color: #0f172a;
}
.invoice-header .company-block p { margin: 2px 0; font-size: 0.85rem; color: #475569; }
.invoice-header .logo-block img,
.invoice-header .logo-block .logo-fallback {
  width: 90px; height: 90px;
  object-fit: contain;
}
.invoice-header .logo-fallback {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: 14px;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 1px;
}
.invoice-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 18px;
}
.invoice-meta .box {
  background: #f8fafc;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}
.invoice-meta .box label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.invoice-meta .box span { font-size: 0.95rem; font-weight: 600; color: #0f172a; }

.invoice-table {
  width: 100%; border-collapse: collapse; margin-bottom: 16px;
}
.invoice-table th {
  background: #0f172a; color: white;
  padding: 10px 12px;
  text-align: left;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.invoice-table td {
  padding: 9px 12px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.9rem;
}
.invoice-table tr:nth-child(even) td { background: #f8fafc; }
.invoice-table .col-num  { width: 40px; text-align: center; }
.invoice-table .col-qty  { width: 90px; text-align: right; }
.invoice-table .col-rate { width: 130px; text-align: right; }
.invoice-table .col-tot  { width: 150px; text-align: right; font-weight: 600; }

.invoice-totals {
  margin-left: auto;
  width: 320px;
  font-size: 0.9rem;
}
.invoice-totals div {
  display: flex; justify-content: space-between;
  padding: 6px 12px;
  border-bottom: 1px solid #e2e8f0;
}
.invoice-totals .grand {
  background: #0f172a; color: white;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 6px;
  margin-top: 4px;
  border: none;
}
.invoice-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
  font-style: italic;
}

/* ===== Print Styles ===== */
@media print {
  body * { visibility: hidden !important; }
  .print-area, .print-area * { visibility: visible !important; }
  .print-area {
    position: absolute !important;
    top: 0; left: 0;
    width: 100%;
    background: white !important;
    padding: 20px !important;
  }
  .no-print { display: none !important; }
  .invoice-page { box-shadow: none; padding: 0; }
  @page { margin: 0.5in; size: A4; }
}

/* Branding cards */
.brand-color-row {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem;
  background: #f8fafc;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}
.brand-color-row label { flex: 1; font-size: 0.85rem; font-weight: 500; }
.brand-color-row input[type="color"] {
  width: 50px; height: 38px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid #d1d5db;
  padding: 2px;
  background: white;
}

/* Mobile sidebar toggle */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 12px; left: 12px;
  z-index: 40;
  background: var(--primary);
  color: white;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 0;
  align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease-out;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding-top: 60px; }
  .mobile-toggle { display: inline-flex; }
  .page-header { padding: 0.75rem 1rem; }
  .page-title { font-size: 1.15rem; }
  .modal-box { padding: 1.25rem; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #64748b;
}
.empty-state i { font-size: 3rem; color: #cbd5e1; margin-bottom: 0.75rem; }
.empty-state p { margin: 0.25rem 0; }

/* Quick search */
.search-input {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.85rem;
  width: 100%;
  outline: none;
}
.search-input::placeholder { color: #64748b; }
.search-input:focus {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
}

/* Inventory low stock indicator */
.low-stock {
  background: #fee2e2 !important;
  color: #991b1b;
  font-weight: 700;
}
.in-stock {
  color: #065f46;
  font-weight: 600;
}